The rat is infected with Toxo-plasma gondii, a parasite that makes the rat attracted to the cat, in the hat. You should hit that rat with a bat, and then hit your cat. Toxo-plasma gondii can infect humans as well, which will change the host humans psychology and may lead to suicide in rare cases.

Well of course, wild rats are very bad. They tend to transmit diseases, and as a person who lives on the outskirts of NYC, rats get a real bad rep here because they are vicious and attack people in the city. It's kinda like dishonored, except instead of dying, you just need to get medicine.

All I see is a rat shunned and abandoned by his people because his father was accused of murdering the Great Rat king, and to clear his father's name he is coordinating with the Cat insurgence group known as Cat-tastrophe, in hopes of taking down the current Rat regime and taking vengeance on King Cheesewheel; the Current king and the rat who framed his father.

The rat is infected with Toxo-plasma gondii, a parasite that makes the rat attracted to the cat, in the hat. You should hit that rat with a bat, and then hit your cat. Toxo-plasma gondii can infect humans as well, which will change the host humans psychology and may lead to suicide in rare cases.